@cosmwasm/ts-codegen/helpers/baseClient.d.ts

@cosmwasm/ts-codegen converts your CosmWasm smart contracts into dev-friendly TypeScript classes so you can focus on shipping code.

export declare const baseClient = "\nimport { StdFee, Coin } from '@interchainjs/types';\nimport { DirectSigner } from '@interchainjs/cosmos';\nimport { getSmartContractState } from 'interchainjs/cosmwasm/wasm/v1/query.rpc.func';\nimport { executeContract } from 'interchainjs/cosmwasm/wasm/v1/tx.rpc.func';\nimport { QuerySmartContractStateRequest, QuerySmartContractStateResponse } from 'interchainjs/cosmwasm/wasm/v1/query';\nimport { MsgExecuteContract } from 'interchainjs/cosmwasm/wasm/v1/tx';\nimport { Chain } from '@chain-registry/v2-types';\n\n// Encoding utility functions\nconst fromUint8Array = <T>(uint8Array: Uint8Array): T => {\n  const text = new TextDecoder().decode(uint8Array);\n  return JSON.parse(text);\n};\n\nconst toUint8Array = (obj: any): Uint8Array => {\n  const text = JSON.stringify(obj);\n  return new TextEncoder().encode(text);\n};\n\n// Chain registry configuration\n// The amount under gasPrice represents gas price per unit\nexport interface ChainConfig {\n  chain?: Chain;\n  gasPrice?: {\n    denom: string;\n    amount: string;\n  };\n}\n\n// Gas fee calculation utilities\nexport const calculateGasFromChain = (chain: Chain, gasAmount: string): StdFee => {\n  try {\n    const feeTokens = chain.fees?.feeTokens;\n    \n    if (feeTokens && feeTokens.length > 0) {\n      const primaryToken = feeTokens[0];\n      // v2 chain-registry uses camelCase: averageGasPrice, lowGasPrice, fixedMinGasPrice\n      const gasPrice = primaryToken.averageGasPrice || primaryToken.lowGasPrice || primaryToken.fixedMinGasPrice || 0.025;\n      const gasAmountNum = parseInt(gasAmount);\n      const feeAmount = Math.ceil(gasAmountNum * gasPrice).toString();\n      \n      return {\n        amount: [{\n          denom: primaryToken.denom,\n          amount: feeAmount\n        }],\n        gas: gasAmount\n      };\n    }\n  } catch (error) {\n    console.warn('Failed to calculate gas from chain registry:', error);\n  }\n  \n  // Fallback to default\n  return { amount: [], gas: gasAmount };\n};\n\n// Default gas amount - users can easily change this\nexport let DEFAULT_GAS_AMOUNT = '200000';\n\n// Allow users to set their preferred default gas amount\nexport const setDefaultGasAmount = (gasAmount: string): void => {\n  DEFAULT_GAS_AMOUNT = gasAmount;\n};\n\n// Get current default gas amount\nexport const getDefaultGasAmount = (): string => DEFAULT_GAS_AMOUNT;\n\nexport const getAutoGasFee = (chainConfig?: ChainConfig): StdFee => {\n  const gasAmount = DEFAULT_GAS_AMOUNT;\n  \n  if (chainConfig?.chain) {\n    return calculateGasFromChain(chainConfig.chain, gasAmount);\n  }\n  \n  if (chainConfig?.gasPrice) {\n    const gasAmountNum = parseInt(gasAmount);\n    const gasPriceNum = parseFloat(chainConfig.gasPrice.amount);\n    const feeAmount = Math.ceil(gasAmountNum * gasPriceNum).toString();\n    \n    return {\n      amount: [{\n        denom: chainConfig.gasPrice.denom,\n        amount: feeAmount\n      }],\n      gas: gasAmount\n    };\n  }\n  \n  // Fallback: no fee tokens, just gas amount\n  return { amount: [], gas: gasAmount };\n};\n\n// InterchainJS interfaces for CosmWasm clients\nexport interface ICosmWasmClient {\n  queryContractSmart(contractAddr: string, query: any): Promise<any>;\n}\n\nexport interface ISigningCosmWasmClient {\n  execute(\n    sender: string, \n    contractAddress: string, \n    msg: any, \n    fee?: number | StdFee | \"auto\", \n    memo?: string, \n    funds?: Coin[], \n    chainConfig?: ChainConfig\n  ): Promise<any>;\n}\n\nexport interface ISigningClient {\n  signAndBroadcast(\n    signerAddress: string,\n    messages: any[],\n    fee: number | StdFee | \"auto\",\n    memo?: string\n  ): Promise<any>;\n}\n\n// Helper functions to create InterchainJS clients\nexport function getCosmWasmClient(rpcEndpoint: string): ICosmWasmClient {\n  return {\n    queryContractSmart: async (contractAddr: string, query: any) => {\n      // Create the request object\n      const request: QuerySmartContractStateRequest = {\n        address: contractAddr,\n        queryData: toUint8Array(query)\n      };\n      \n      // Execute the query using InterchainJS\n      const response: QuerySmartContractStateResponse = await getSmartContractState(rpcEndpoint, request);\n      \n      // Parse and return the result\n      return fromUint8Array(response.data);\n    },\n  };\n}\n\nexport function getSigningCosmWasmClient(signingClient: DirectSigner): ISigningCosmWasmClient {\n  return {\n    execute: async (\n      sender: string, \n      contractAddress: string, \n      msg: any, \n      fee?: number | StdFee | \"auto\", \n      memo?: string, \n      funds?: Coin[], \n      chainConfig?: ChainConfig\n    ) => {\n      // Handle fee conversion\n      let finalFee: StdFee;\n      if (typeof fee === 'number') {\n        finalFee = { amount: [], gas: fee.toString() };\n      } else if (fee === 'auto') {\n        finalFee = getAutoGasFee(chainConfig);\n      } else if (fee) {\n        finalFee = fee;\n      } else {\n        finalFee = getAutoGasFee(chainConfig);\n      }\n\n      // Create the message object\n      const message: MsgExecuteContract = {\n        sender,\n        contract: contractAddress,\n        msg: toUint8Array(msg),\n        funds: funds || []\n      };\n      \n      // Execute the transaction using InterchainJS\n      const result = await executeContract(\n        signingClient as any,\n        sender,\n        message,\n        finalFee,\n        memo || ''\n      );\n      \n      return result;\n    },\n  };\n}\n";